http://cnx.org/Connexions
is a rapidly growing
collection of
free scholarly materials and a powerful set of free
software
tools to help authors publish and collaborate, instructors
rapidly
build and share custom courses and learners explore the
links among concepts, courses, and disciplines.

http://developer.apple.com/darwin/Apple's open source
projects allow developers to customize and enhance key Apple software.
Through the open source model, Apple engineers
and the open source
community collaborate to create better,
faster and more reliable
products for our users.

http://www.apache.org/ The Apache
Software Foundationprovides support for the Apache community of
open-source
software projects.

http://www.codeweavers.com/CodeWeavers'
mission is to transform Mac OS X and Linux into Windows-compatible
operating systems. By doing
so, they provide a bridge to help users migrate from the Windows
software world to these other environments. They do this primarily by
making it possible to
use Windows software on Mac OS X and Linux.

http://creativecommons.org/Creative Commons
is a licensing
site enabling the legal sharing and reuse of cultural, educa-
tional and
scientific works.

http://www.debian.org/Debian
is a free operating system (OS)
for your computer. An operating system
is the set of basic
programs and utilities that make your computer run.
Debian
uses the Linux kernel (the core of an operating system), but
most of the basic OS tools come from the GNU project; hence
the name
GNU/Linux.

http://www-128.ibm.com/developerworks/opensource/newto/
DeveloperWorks (IBM) places all the basics of open source in context to
help you get started
in the most wide-ranging,
growing, and dynamic field of software
development today.
The developerWorks Open source zone is your source
for how-
to information, tools, and project updates.

http://www.joomla.org-
Joomla, is
a free, award-winning content management system written in PHP which is
allows users to easily publish their content on the world wide web and
intranets. Joomla is created as an
open-source project where
individuals and teams contribute their skills to its development as
well as its supporting systems.

http://www.mozilla.org/products/firefox/Firefox
empowers PC,
Mac and Linux users to browse faster, more safely and more
efficiently than with any other browser. Award-winning Firefox
includes integrated pop-up blockers, tabbed browsing, live
bookmarks, support
for open standards, a skinnable interfaces
and extension mechanisms
for adding functionality.

http://freshmeat.net/Freshmeat
maintains the Web's largest index of Unix and cross-platform software,
themes and related "eye-candy", and Palm OS software.

http://www.fsf.org/
The Free Software Foundation (FSF), established in 1985, is
dedicated to promoting computer users' rights to use, study, copy,
modify, and redistribute computer programs and their source.

http://gimp.org/
The GIMP is a powerful GNU Image Manipulation Program. It is a freely
distributed piece of software for such tasks as photo retouching, image
composition and image authoring. It works on many operating systems, in
many languages.

The education community @ java.netJava.net, an effort to improve global education by empowering teachers, students
and parents with self-paced, web based, free and open content
(curriculum resources, assessment) combined with best practices for
advancing student achievement world wide.

http://www.gnome.org/GNOME is an easy to understand Unix
and Linux desktop suite and development platform.

http://www.gnu.org/ The GNU Project
was launched in 1984
to develop a complete UNIX style operating system
which is
free software: the GNU system.

Open Source and Linux from HPHP
has over 200 products that ship with open source software. From client
to server to data center, they are developing, improving and perfecting
hundreds of open source applications every day.

EdTech Live Interviews. Steve Hargadon's library of recordings that provide good, brief introductions to
different educational technologies that can be implemented in the K-12
school environment. Future of Education has more recent talks.

http://k12ltsp.org/K12 Linux
is a repository of several pro-
jects using Linux as their main operating
system. Once
installed K12LTSP lets you boot diskless workstations from
an applications server. You can use old PC's as diskless clients
or buy
low-power new ones for considerable energy savings.

http://www.kde.org/ KDE is a powerful Free Software
graphical desktop environment for desktop and portable computers. It
combines ease of use, contemporary functionality, and outstanding
graphical design with the technological superiority of the Unix
operating system.

http://www.koha.org/Koha is the
first
open-source Integrated Library System (ILS). In use worldwide, its
development is
steered by a growing community of libraries
collaborating to achieve their technology goals.

http://www.knoppix.net/Knoppix
is a GNU/Linux distribution
that boots and runs completely from cd. It
includes recent
linux software and desktop environments, with programs
such
as OpenOffice.org, Abiword, The Gimp, Konqueror, Mozilla, Apache,
PHP, MySQL and hundreds of other quality open
source programs.

http://konqueror.org/Konqueror
is the file manager for the
K Desktop Environment. It supports basic
file management
on local UNIX filesystems, from simple cut/copy and
paste operations to advanced remote and local network file browsing.

http://www.linux.org/ The linux.org
domain was registered to fulfill a need for information about the
growing Linux move-
ment. This web site is designed to act as a central
source of
Linux information and as a voice for the promotion and
advocacy of the Linux operating system.

http://www.metadot.com/Metadot is an open source portal
software (GPL) used to create
websites, intranets, extranets, project and community portals anyone can use.

http://mozilla.org The mission of the Mozilla
project is to
preserve choice and innovation on the Internet,
developing the next generation of web browsers, e-mail software, web
page editors and more.

http://www.mysql.com/MySQL
is an attractive alternative to higher-cost, more complex database
technology. Its award-winning speed, scalability and reliability make
it the right choice for corporate IT departments, Web developers and
packaged software vendors.

http://opensource.arc.nasa.gov/NASA Open Source
Agreement distributes software in order to
increase NASA's software quality via community peer
review, accelerate software development via community
contributions, maximize the awareness and impact of NASA research
and increase dissemination of NASA software in support of NASA's
education mission.

http://www.openoffice.org/OpenOffice.org
is the leading international office suite that runs on all major
platforms and provides access to all functionality and data through
open-component based APIs and XML-based file formats.

http://osflash.org/Open Source FLASHis
a watering hole for
open source Flash developers and users
to meet, talk about
and contribute to new and existing open source
projects for
the flash platform.

http://osswin.sourceforge.net/Open Source for Windows
is
an extensive site providing Windows-compatible software by
categories: Audio Editing Tools, Business Software, CAD...

http://www.oswd.org/OSWD - Open Source Web Design is a
site to download free web designs and share
yours with others.
Their motto: "We help make the internet a prettier place".

http://www.devshed.com/Dev Shed is an Open Source Web Development site
with a comprehensive set of pertinent
articles and forums.

http://www.oss-institute.org/
The Open Source Software
Institute (OSSI) is a non-profit organization comprised of
corporate, government and academic
representatives whose
mission is to promote the development and
implementation
of open-source software solutions within U.S. federal,
state
and municipal government agencies and academic entities.

http://www.perl.org/Perl is a stable, cross platform
program-
ming language. It is used for mission critical projects in the
public and private sectors and is widely used to program web
applications of all needs.

http://www.php.net/PHP is a widely-used general-purpose
scripting language that is especially suited for Web development
and
can be embedded into HTML.

http://plone.org/PLONE is a popular Content Managment
System web application that is designed to make it easy for
non-technical users to add, edit and, well, manage a website.
Plone is the backbone of Connexions.

http://us1.samba.org/samba/Samba is an Open Source /Free
Software suite that provides seamless file and print services to SMB/CIFS
clients. Samba is freely available under the GNU
General Public License.

http://oss.sgi.com/ The Developer
Central portal to all SGI
Open Source material. Wanderers, seekers,
and developers
are offered this gateway to Open Source technical
content and
advice, libraries of downloadable software, contribution
points,
email lists, and links to the Open Source community.

http://www.sosoftexas.org/joomla/SOS - Strategic Open
Source of Texas' mission is to build and activate a
community
of
educators who promote and support opportunities for technological
advancement and a broader educational
foundation that Open Source
software solutions bring to K-16 education.

http://www.spi-inc.org/SPI is a non-profit organization
which
was founded to help organizations develop and distribute open
hardware and software.

http://www.netraverse.com/ If
the one thing stopping you
from making the transition to Linux is the
need to run
"essential" Windows-based applications then you do not need
to wait any longer Win4Lin has just solved your problem.

http://www.winehq.com/Wine
provides both a development toolkit for porting Windows source code to
Unix as well as a program loader, allowing many unmodified Windows
programs
to run on x86-based Unixes, including Linux, FreeBSD, and
Solaris.

http://www.xfree86.org/ The XFree86 Project, Inc is a global
volunteer organisation which produces XFree86, a freely redistributable
open-source implementation of the X Window
System . XFree86 runs
primarily on UNIX® and UNIX-like
operating systems like Linux, all
of the BSD variants, Sun
Solaris both native 32 and 64 bit support,
Solaris x86, Mac OSX
(via Darwin), SGI's Irix as well as other
platforms like OS/2
and Cygwin.

http://www.w3.org/Status The
natural complement to W3C specifications is running code.
Implementation and testing is
an essential part of specification
development and releasing
the code promotes exchange of ideas in the
developer
community. Browse all W3C
software -it's Open Source/
Free Software, and GPL compatible.

http://www.plainblack.com/webguiWebGUI
is an Open
Source content management platform built to give
average
business
users the ability to build and maintain complex web
sites. It is
modular, pluggable, and platform independent. It is designed to keep
the management of content in the hands of those who create content.

http://www.videolan.org/VLC Media Player
is a free cross
platform (Linux, Mac OS X, Windows, more) that supports
a large number of multimedia formats and can even be used
as a streaming server.

http://en.wikipedia.org/wiki/Open_source
Open source or open-source software (OSS) is any computer software
distributed under a license which allows users to change
and/or share
the software freely. Many programs use a
specific license agreement
satisfying the Open Source
Definition.